EditorSizeManager(EditorView view) {
myView = view;
myEditor = view.getEditor();
myDocument = myEditor.getDocument();
myDocument.addDocumentListener(this, this);
myEditor.getFoldingModel().addListener(this, this);
myEditor.getSoftWrapModel().getApplianceManager().addListener(mySoftWrapChangeListener);
}
@Override
public int calcColumnNumber(
@NotNull final CharSequence text, final int start, final int offset, final int tabSize) {
int hostStart = myDocumentWindow.injectedToHost(start);
int hostOffset = myDocumentWindow.injectedToHost(offset);
return myDelegate.calcColumnNumber(
myDelegate.getDocument().getText(), hostStart, hostOffset, tabSize);
}
@NotNull
public LogicalPosition hostToInjected(@NotNull LogicalPosition hPos) {
assert isValid();
DocumentEx hostDocument = myDelegate.getDocument();
int hLineEndOffset =
hPos.line >= hostDocument.getLineCount()
? hostDocument.getTextLength()
: hostDocument.getLineEndOffset(hPos.line);
LogicalPosition hLineEndPos = myDelegate.offsetToLogicalPosition(hLineEndOffset);
if (hLineEndPos.column < hPos.column) {
// in virtual space
LogicalPosition iPos = myDocumentWindow.hostToInjectedInVirtualSpace(hPos);
if (iPos != null) {
return iPos;
}
}
int hOffset = myDelegate.logicalPositionToOffset(hPos);
int iOffset = myDocumentWindow.hostToInjected(hOffset);
return offsetToLogicalPosition(iOffset);
}
private static List<BidiRun> createFragments(
@NotNull EditorView view,
int lineStartOffset,
int lineEndOffset,
@NotNull FontRenderContext fontRenderContext) {
if (lineEndOffset <= lineStartOffset) return Collections.emptyList();
EditorImpl editor = view.getEditor();
FontPreferences fontPreferences = editor.getColorsScheme().getFontPreferences();
char[] chars =
CharArrayUtil.fromSequence(
editor.getDocument().getImmutableCharSequence(), lineStartOffset, lineEndOffset);
List<BidiRun> runs = createRuns(editor, chars, lineStartOffset);
for (BidiRun run : runs) {
IterationState it =
new IterationState(
editor,
lineStartOffset + run.startOffset,
lineStartOffset + run.endOffset,
false,
false,
false,
false);
while (!it.atEnd()) {
addFragments(
run,
chars,
it.getStartOffset() - lineStartOffset,
it.getEndOffset() - lineStartOffset,
it.getMergedAttributes().getFontType(),
fontPreferences,
fontRenderContext,
view.getTabFragment());
it.advance();
}
assert !run.fragments.isEmpty();
}
return runs;
}
EditorPainter(EditorView view) {
myView = view;
myEditor = view.getEditor();
myDocument = myEditor.getDocument();
}